header {
	margin: 20px 0 0 0;
}

.ttl-1 {
	margin: 20px 0;
	font-size: 20px;
}

.logo_thumb {
	width: 100px;
	height: auto;;
}

.box {
	max-width: 800px;
	margin-left: auto;
	margin-right: auto;
}